OpenTechnical

OT-2026-000027938

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027938) never changes.

Identity and time

Publication numberOT-2026-000027938 · never reused
Internal UUID01a0ae72-a4a6-79e9-8d8f-bbd1fe04a6f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027938
StatusPUBLIC

Content hashes

Canonical text200cf5a0047031d4bdd9c2f1bb6d61fea6020d8735825e40af9641e74ee1d11e
Markdowned1e6533513e3a3c8d8fccd9bc2fd136f8777670dd81eac0c019834c387c6bbe
PDF
Publication pageea2f5c25ba0e629509727910600a4a310b0554faa9944fa692c3f069d9290b2c
Manifest9caf35644dd957375657e44de058921b927e3f4237346f4ce180dbea54dacf71

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2FLy6edNVSmkWolKFTqodUrGswRb9ZPsbI7doXCyVCWrmj1TTfXUBzWRfYw23uPYOrbllpszz/yO2Bxqc2LVAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:07.184863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027938
observed ea2f5c25ba0e629509727910600a4a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.167566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027938/manifest.json
observed 9caf35644dd957375657e44de058921b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.149819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027938/publication.md
observed ed1e6533513e3a3c8d8fccd9bc2fd136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.131460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027938/publication.txt
observed 200cf5a0047031d4bdd9c2f1bb6d61fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.